package com.atguigu.vod.service.impl;


import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.atguigu.commonutils.R;
import com.atguigu.config.exceptionhandler.GuliException;
import com.atguigu.vod.controller.InitVodClient;
import com.atguigu.vod.service.VodService;
import com.atguigu.vod.utils.ConstantVodUtils;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import java.io.InputStream;
import java.util.List;

@Service
public class VodServiceImpl implements VodService {


    @Override
    public String uploadVideo(MultipartFile file) {
        try {
            /**
             * title, 上传之后显式名称（一样）
             * fileName, 上传文件原始名称
             * inputStream,上传文件输入流
             */

            String fileName = file.getOriginalFilename();
            InputStream inputStream = file.getInputStream();
            String title = fileName.substring(0, fileName.lastIndexOf("."));

            UploadStreamRequest request = new UploadStreamRequest(
                    ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET,
                    title, fileName, inputStream);

            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String vId = null;
            if (response.isSuccess()) {
                vId = response.getVideoId();
            } else {

                /**
                 * 如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                 */

            }
            return vId;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    @Override
    public void removeMoreAlyVideo(List<String> vIdList) {
        try {
            //初始化对象
            DefaultAcsClient client = InitVodClient.initVodClient(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET);
            //创建删除视频的request对象
            DeleteVideoRequest request = new DeleteVideoRequest();
            //vidlist值转换成：VID1,VID2,VID3,VID4,VID5
            String vIds = StringUtils.join(vIdList.toArray(), ",");
            //向request设置对象
            request.setVideoIds(vIds);
            //调用初始化对象的方法实现删除
            client.getAcsResponse(request);

        } catch (Exception e) {
            e.printStackTrace();
            throw  new GuliException(20001,"删除视频失败");
        }
    }
}
